I have a similar issue....
gives me the following error display
The following files do not exist in your install
(Make sure these are uploaded)ubb_js/dropzone.css
The following files are reporting a wrong version number
(Make sure you updated these files)All Files Report Proper Version Number
The following files need to be removedAll Files Tagged For Removal Have Been Removed
Verifying directory contents against another 7.6 forum, those files exist. I copied them over, ran the script again and still get the error....